Hi all
I'm using an Optical sensor and I'm not sure if it needs calibrating or how to set the ATO correctly... Can anyone give me a little guide on how to do it?
I've set it up and when I take the sensor out of the water there is a dash next to it (meaning it is working) when I put it in the water there is a cross (indicating it is not in operation. However, when the sensor is on, the plug socket isn't activating I know that the socket is functioning ok because when I put it on 'always on' the pump starts...
What am I not doing??
Thanks for any help/info
Gav
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